Ottawa (disambiguation)

Ottawa is the capital city of Canada.

Ottawa can also mean:
 Places 

 Canada 

 Ottawa (City of) (electoral district), a historical electoral district in Ontario
 Ottawa (County of) (electoral district), a historical electoral district in Quebec
 Ottawa (Ontario provincial electoral district), an electoral district from 1867 to 1908
 Ottawa (Quebec provincial electoral district), an electoral district from 1867 to 1919
 Ottawa Islands, islands on the east coast of the Hudson Bay
 Ottawa River, in Ontario and Quebec

 United States 

 Ottawa, Illinois, a city
 Ottawa, Kansas, a city
 Ottawa, Minnesota, an unincorporated community
 Ottawa, Ohio, a village
 Ottawa, Oklahoma, an unincorporated community
 Ottawa, Wisconsin, a town
 Ottawa (community), Wisconsin, an unincorporated community
 Ottawa River (Lake Erie), in Michigan and Ohio in the United States, which drains into Lake Erie
 Ottawa River (Auglaize River tributary), in Ohio, United States

 Elsewhere 

 Ottawa, Ivory Coast, a village
 Ottawa, KwaZulu-Natal, a suburb of Durban, KwaZulu-Natal, South Africa

 Ships 

 HMCS Ottawa (H60), a C-class destroyer that served with the Royal Canadian Navy from 1938 to 1942
 HMCS Ottawa (H31), a G-class destroyer that served with the Royal Canadian Navyfrom 1943 to 1945
 HMCS Ottawa (DDH 229), a St. Laurent-class destroyer that served in the Royal Canadian Navy from 1956 to 1992
 HMCS Ottawa (FFH 341), a Halifax-class frigate commissioned in 1996
 SS Ottawa, a steamship that was once the SS Germanic
 Ottawa (shipwreck), a tugboat that sank in Lake Superior
 Ottawa, a tanker built in 1964 by Swan Hunter

 Other uses 

 Government of Canada
 Odawa or Ottawa, a First Nation/Native American ethnic group
 Ottawa dialect, their language
 Ottawa Tribe of Oklahoma, a federally recognized tribe in the United States